Question: What was Abd al-Mu'min's estimated date of birth?
Paraphrase: As the birth date of Abd al-Mu'min's, what date was it?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q307312 p:P569 ?s . ?s ps:P569 ?obj . ?s pq:P1480 wd:Q5727902 }